疎 - alienate, rough, neglect

(mutual) understanding; communication

not to mention ...; needless to say ...; not to speak of ...; not only ...

evacuation (to the country)

alienation; estrangement; leaving (someone) out; casting out; cutting off; avoiding; giving the cold shoulder

estrangement; alienation; neglecting to stay in contact

underpopulation; low population density; depopulation

(reciprocal) communication; (coming to a) mutual understanding

empty (e.g. argument); insubstantial; hollow; fruitless

negligent; neglectful; careless; remiss

sparse; thin; scattered; straggling; sporadic

hydrophobic group

slipshod; sloppy; shoddy